After they momentarily took down the New York Times web site and Twitter, the Syrian Electronic Army gained a new notoriety. But who is this group of hackers? Or, how you would figure out who they are? More important, how do they do this kind of hack and how vulnerable are companies like the New York Times and the Internet itself? Next, would you buy something in 140 characters? Twitter is hiring an e-commerce pioneer to explore how to convince users to buy stuff through the service.